51357171 has 16 divisors (see below), whose sum is σ = 72576000. Its totient is φ = 32213088.

The previous prime is 51357169. The next prime is 51357197. The reversal of 51357171 is 17175315.

It is not a de Polignac number, because 51357171 - 2¹ = 51357169 is a prime.

It is a super-3 number, since 3×51357171³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51357101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5470 + ... + 11516.

It is an arithmetic number, because the mean of its divisors is an integer number (4536000).

Almost surely, 2^51357171 is an apocalyptic number.

51357171 is a deficient number, since it is larger than the sum of its proper divisors (21218829).

51357171 is a wasteful number, since it uses less digits than its factorization.

51357171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218.

The product of its digits is 3675, while the sum is 30.

The square root of 51357171 is about 7166.3917699216. The cubic root of 51357171 is about 371.7066785356.

The spelling of 51357171 in words is "fifty-one million, three hundred fifty-seven thousand, one hundred seventy-one".